I suggest you post a HijackThis log for examination.
A member of the HijackThis Team will show you, step by step, how to disinfect your computer.
Read
How to post a HijackThis Log.
Please read, and follow, all directions carefully.Then, run a log, and post it in the
HijackThis forum,
at this link.
Do not, fix anything, yet.
A member, of the HJT Team, will help you out.
It may take a while to get a response, because the HJT Team are very busy.
Please, be patient, these people are volunteers. They will help you out,
as soon as possible.
NOTE:Once you have made the post,
please,
DO NOT make another post in the HJT forum, until it has been responded to by a member of the HJT Team. The first thing they look for, when looking for logs to reply to, is
0 replies. If you make another post, there will be
1 reply. The team member, glancing over the replies, might assume someone is already helping you out, and will not respond. So, just make your post, and let it sit there, until a team member responds. This way you will be taken care of, in the most timely manner.